Before TradeVibes, David was an early developer and a Principal Software Engineer at PayPal. Over his seven year tenure, he was integral in the design of PayPal's backend payment systems, and the development of PayPal's Bank Account Verification, Multi-Currency platform, and Stand-In Payment Processing engine.

David enjoys whole fancy cashews and karaoke. He wishes there is a better Korean restaurant in Mountain View. David studied Computer Engineering at the University of Illinois at Urbana-Champaign.